Edward Hernandez a freshman at LaVergne High School shows his teacher Rebecca Plavnick what he found when doing research on his smartphone in Biology class on Thursday, Jan. 3, 2013.

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COLUMBIA, Tenn. (AP) - Students in two Maury County schools are no longer trying to hide their cell phones in backpacks or desks - they have them out in the open.

That's because administrators have decided the best way to stop improper use of the devices in schools is to harness them. Since February, Hampshire Unit School and Spring Hill High School have encouraged students to bring their own digital devices to school twice a week to help ...